1531214 has 8 divisors (see below), whose sum is σ = 2371008. Its totient is φ = 740880.

The previous prime is 1531199. The next prime is 1531217. The reversal of 1531214 is 4121351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1531192 and 1531201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12287 + ... + 12410.

It is an arithmetic number, because the mean of its divisors is an integer number (296376).

2^1531214 is an apocalyptic number.

1531214 is a deficient number, since it is larger than the sum of its proper divisors (839794).

1531214 is a wasteful number, since it uses less digits than its factorization.

1531214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24730.

The product of its digits is 120, while the sum is 17.

The square root of 1531214 is about 1237.4223207943. The cubic root of 1531214 is about 115.2600040252.

Adding to 1531214 its reverse (4121351), we get a palindrome (5652565).

The spelling of 1531214 in words is "one million, five hundred thirty-one thousand, two hundred fourteen".